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CVE-2026-119118— Crawl4AI before 0.9.5 Improper Certificate Validation via Hard-coded Chromium Flags

Quick assessment

Affected
unclecode crawl4ai
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 0.9.5 版本之前的 Crawl4AI 存在证书验证不当的漏洞，该漏洞允许网络攻击者拦截爬虫请求，因为 Chromium 始终会以 参数启动。中间人攻击者或能够控制 DNS 的攻击者可以向爬虫提供伪造内容，并读取其发送的 Cookie 和请求头；此外，硬编码的 参数还会覆盖 配置。

CVSS 6.5 · Medium

Affected Version Matrix 2

VendorProduct Version RangeStatus
unclecode crawl4ai < 0.9.5 affected
0.9.5 unaffected
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I. Basic Information for CVE-2026-119118

Vulnerability Information
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Vulnerability Title
Crawl4AI before 0.9.5 Improper Certificate Validation via Hard-coded Chromium Flags
Source: CVE Program / CVE List V5
Vulnerability Description
Crawl4AI before 0.9.5 contains an improper certificate validation vulnerability that allows network attackers to intercept crawls because Chromium always launches with --ignore-certificate-errors. Man-in-the-middle or DNS-controlling attackers can serve forged content to the crawler and read cookies and headers sent, while hard-coded --no-sandbox also overrides CRAWL4AI_CHROMIUM_SANDBOX.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
unclecode crawl4ai 0 ~ 0.9.5 -

II. Public POCs for CVE-2026-119118

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III. Intelligence Information for CVE-2026-119118

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Other References for CVE-2026-119118 (2)

Same Patch Batch · unclecode · 2026-10-29 · 5 CVEs total

CVE-2026-119119 7.5 HIGH Crawl4AI before 0.9.5 Denial of Service via Unbounded CrawlerRunConfig Delay Fields
CVE-2026-119120 7.5 HIGH Crawl4AI 0.9.0 before 0.9.5 Untrusted Model Loading via CosineStrategy model_name
CVE-2026-119122 5.3 MEDIUM Crawl4AI before 0.9.5 Blind SSRF via CacheValidator Freshness Check
CVE-2026-119121 4.3 MEDIUM Crawl4AI 0.9.0 before 0.9.5 JavaScript Injection via css_selector and wait_for

IV. Related Vulnerabilities

Same product: crawl4ai
Same vendor: unclecode
Same weakness: CWE-295